advanced physic

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  1. Advanced Physic

    An 8.5 m extension ladder of mass 24 kg is propped up against a wall, touching at a point 8.0 m above the level ground. A man of mass 75 kg climbs 2.0 m up the ladder to repair a window. The ladder rests against a frictionless wall, but the ground has

    asked by Anonymous on May 14, 2014
  2. Advanced Physic

    A gob of clay, mass 217 g, falls from rest a distance 50 cm before striking and sticking to the edge of a wheel free to rotate about a horizontal axis through its center (Fig. 10-38). The wheel can be approximated as a solid disk of mass 49 kg and radius

    asked by Anonymous on May 14, 2014